Home / 55,409.86-83,112.60-22,119.94

Finding the Fourth Proportional to 55,409.86, 83,112.60 and 22,119.94

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Solution

The fourth proportional to 55,409.86, 83,112.60 and 22,119.94 is: 33,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,409.86 : 83,112.60 = 22,119.94 : x
  2. Step 2: Convert to fraction form
    55,409.86/83,112.60 = 22,119.94/x
  3. Step 3: Cross multiply
    55,409.86x = 83,112.60 × 22,119.94
  4. Step 4: Simplify right side
    55,409.86x = 1,838,445,725.24
  5. Step 5: Solve for x
    x = 1,838,445,725.24/55,409.86
  6. Step 6: Final answer
    x = 33,179.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.